Speakerphone



FIG. 1 is a perspective view of a speakerphone showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left-hand view thereof;

FIG. 5 is a right-hand view thereof; and,

FIG. 6 is a top view thereof.

The broken line showings throughout the views are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a speakerphone, as shown.